diff --git a/paimon-core/src/main/java/org/apache/paimon/stats/ColStats.java b/paimon-core/src/main/java/org/apache/paimon/stats/ColStats.java
index 267a3a42b639..35baf1a5b277 100644
--- a/paimon-core/src/main/java/org/apache/paimon/stats/ColStats.java
+++ b/paimon-core/src/main/java/org/apache/paimon/stats/ColStats.java
@@ -18,6 +18,7 @@
 
 package org.apache.paimon.stats;
 
+import org.apache.paimon.annotation.Experimental;
 import org.apache.paimon.data.serializer.InternalSerializers;
 import org.apache.paimon.data.serializer.Serializer;
 import org.apache.paimon.types.DataType;
@@ -48,6 +49,7 @@
  *
  * @param <T> col internal data type
  */
+@Experimental
 public class ColStats<T> {
 
     private static final String FIELD_COL_ID = "colId";
diff --git a/paimon-core/src/main/java/org/apache/paimon/stats/Statistics.java b/paimon-core/src/main/java/org/apache/paimon/stats/Statistics.java
index e734bd675616..60a121cd96af 100644
--- a/paimon-core/src/main/java/org/apache/paimon/stats/Statistics.java
+++ b/paimon-core/src/main/java/org/apache/paimon/stats/Statistics.java
@@ -18,6 +18,7 @@
 
 package org.apache.paimon.stats;
 
+import org.apache.paimon.annotation.Experimental;
 import org.apache.paimon.fs.FileIO;
 import org.apache.paimon.fs.Path;
 import org.apache.paimon.schema.TableSchema;
@@ -46,6 +47,7 @@
  *   <li>colStats: column stats map
  * </ul>
  */
+@Experimental
 public class Statistics {
 
     // ID of the snapshot this statistics collected from